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Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

· Published 06/10/2025 18:55 · Modified 08/10/2025 16:09

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Essential information

Published
06/10/2025 18:55
Modified
08/10/2025 16:09
Tags
2025-10-06 bradesco brazil brazilian c server format lnk file loader malware persistence phishing powershell sorvepotel telegram turn water saci watsonclient whatsapp whatsapp web
Related entities
7 techniques (mitre), 1 malware, 8 others

Description

has been observed to spread across Windows systems through convincing messages with malicious ZIP file attachments. Interestingly, the message that contains the malicious file attachment requires users to open it on a desktop, suggesting that threat actors might be more interested in targeting enterprises rather than consumers. Once opened, the automatically propagates via , causing infected accounts to be banned due to excessive spam activity.

External references